

/*
 * 
 */
function passwordStrength(password)
{
    var desc = new Array();
    desc[0] = "Muy débil";
    desc[1] = "Débil";
    desc[2] = "Aceptable";
    desc[3] = "Media";
    desc[4] = "Fuerte";
    desc[5] = "Muy fuerte";

    var score   = 0;

    //if password bigger than 6 give 1 point
    if (password.length > 7) score++;

    //if password has both lower and uppercase characters give 1 point	
    if ( ( password.match(/[a-z]/) ) && ( password.match(/[A-Z]/) ) ) score++;

    //if password has at least one number give 1 point
    if (password.match(/\d+/)) score++;

    //if password has at least one special caracther give 1 point
    if ( password.match(/.[!,@,#,$,%,^,&,*,?,_,~,-,(,)]/) )	score++;

    //if password bigger than 12 give another 1 point
    if (password.length > 12) score++;

    document.getElementById("passwordDescription").innerHTML = desc[score];
    document.getElementById("passwordStrength").className = "strength" + score;
}